scope:

PURPOSE

The purpose of this document is to provide clarification of the guidance material in ED-12B/DO-178B. The clarification material may accomplish any or all of the following purposes:

• Resolution of content errors in ED-12B/DO-178B.

• Clarification of a specific section or topic of ED-12B/DO-178B.

• Resolution of an inconsistency between ED-12B/DO-178B and any other relevant civil aviation standards.

In order to accomplish these clarification purposes, the following products have been generated and are included in this annual report:

• Errata: The purpose of Errata is to provide a means of correcting errors in ED-12B/DO-178B (e.g., typographical errors). Errata contain no new or additional guidance material.

• Frequently Asked Question (FAQ): The purpose of a FAQ is to provide short and concise responses to questions that are frequently asked by industry concerning the material of ED-12B/DO-178B. These questions are frequently posed to certification authorities or others who provide interpretation of ED-12B/DO-178B. A FAQ contains no new or additional guidance material.

• Discussion Paper (DP): The purpose of a Discussion Paper is to provide clarification for certain sections of ED-12B/DO-178B in cases where the clarification requires more than a short answer to a question. A DP contains no new or additional guidance material.